Despite the presence of cyanide groups, the pigment is not toxic to humans. Seniors among us will recognize “Prussian blue” as a crayon color. Prussian blue was one of the 38 original Crayola colors ...

#dutchpour #acrylicpour #acrylicpouing In this video, I am using some of my favorite colors to do a split color Dutch Pour!! I am using lime green, Ocean green and Prussian Blue, all mixed with ...

Colors that I used in this piece are white, Prussian Blue, Turquoise, Greenish Blue and Bronze. All colors are linked below and are all Amsterdam acrylics.

Then in 1704, Heinrich Diesbach, a Berlin chemist, mixed some cochineal (a natural red dye) with iron sulfate and a cyanide mixture, and discovered Prussian blue, the first synthetic color.